Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 11

Waning Crescent 44%

02:33

10:57

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:08, Set: 16:08, Transit: 12:08. Moon - Rise: 02:33, Set: 10:57. Civil Dark: 16:48 - 07:27. Nautical Dark: 17:32 - 06:43. Astro Dark: 18:13 - 06:02

Total Clouds (% Sky Obscured)

76
81
86
89
99
100
100
100
100
100
100
100
100
100
100
100
98
71
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

5
37
73
80
90
100
100
100
100
100
100
100
100
100
100
94
91
68
61
54
53
53
59
56

Medium Clouds (% Sky Obscured)

76
81
86
89
99
100
100
100
100
100
100
100
100
100
100
100
44
6
0
3
43
65
55
78

High Clouds (% Sky Obscured)

47
81
86
89
80
86
100
100
100
100
100
100
100
100
100
100
65
0
98
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
6
9
5
7
7
9
9
9
9
7
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

2
10
18
22
51
93
95
95
95
95
85
44
46
58
66
59
65
56
10
1
0
2
1
0

Precipitation Amount (mm)

0
0
0
0
0
0.6
1
0.7
0.8
0.7
0.5
0
0
0
0.3
0
0.3
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
13
15
17
18
20
22
23
24
23
23
23
25
24
25
25
24
20
17
17
18
18
18

Chance of Frost

Temperature (°C)

-2
-1
-1
0
1
2
2
3
4
4
4
4
5
5
6
6
7
8
8
10
9
9
9
9

Feels Like (°C)

-8
-7
-6
-6
-6
-5
-5
-5
-5
-5
-4
-3
-3
-3
-2
-2
-1
-0
2
5
3
3
3
3

Dew Point (°C)

-5
-4
-3
-3
-2
-1
0
1
1
2
2
3
4
4
5
5
6
7
7
8
6
6
6
6

Relative Humidity (%)

79
81
81
81
81
81
85
86
82
85
88
89
91
93
93
93
90
93
93
90
85
84
82
82

Pressure (mb)

1019
1018
1017
1016
1015
1015
1013
1011
1010
1008
1007
1006
1004
1003
1001
1000
999
999
999
998
999
999
999
999

Ozone (du)

317
318
312
308
308
308
310
316
318
313
307
307
310
312
312
311
319
321
320
316
311
310
308
308

Monday 12

Waning Crescent 35%

03:48

11:10

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:07, Set: 16:09, Transit: 12:08. Moon - Rise: 03:48, Set: 11:10. Civil Dark: 16:50 - 07:27. Nautical Dark: 17:33 - 06:43. Astro Dark: 18:15 - 06:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
96
93
78
69
73
100
100
100
100
100
78
62
42
38
49
50
100
100

Low Clouds (% Sky Obscured)

55
56
50
51
47
45
57
59
60
59
59
66
58
55
48
46
53
55
42
38
39
43
40
38

Medium Clouds (% Sky Obscured)

86
72
100
80
47
100
93
86
55
35
38
17
62
65
60
65
70
0
0
0
0
0
22
25

High Clouds (% Sky Obscured)

100
100
100
100
100
100
55
50
40
40
8
100
91
100
64
55
24
3
0
0
49
50
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
9
12
1
3
14
15
3
0
4
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
17
17
16
16
16
16
16
17
17
15
15
15
15
16
15
14
14
12
11
11
11
11
10

Chance of Frost

Temperature (°C)

9
9
9
9
8
9
9
10
10
10
10
10
10
9
9
10
9
8
9
7
7
6
6
6

Feels Like (°C)

3
3
3
3
3
4
4
5
5
6
6
5
5
4
4
5
4
5
5
5
5
3
2
3

Dew Point (°C)

6
6
5
6
6
6
7
7
8
8
8
8
7
8
7
6
6
5
5
6
6
6
6
6

Relative Humidity (%)

82
80
78
80
82
78
82
84
84
83
85
85
85
88
87
80
80
81
78
90
94
94
96
96

Pressure (mb)

999
999
999
1000
1000
1000
1000
1000
999
999
999
999
999
999
1000
1000
1000
1001
1002
1002
1002
1003
1003
1003

Ozone (du)

309
309
309
309
309
310
312
311
311
312
319
317
320
325
323
324
326
330
330
328
325
326
325
326

Tuesday 13

Waning Crescent 26%

05:02

11:27

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:06, Set: 16:11, Transit: 12:08. Moon - Rise: 05:02, Set: 11:27. Civil Dark: 16:51 - 07:26. Nautical Dark: 17:35 - 06:42. Astro Dark: 18:16 - 06:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
74
65
75
72
72
79
84
76
60

Low Clouds (% Sky Obscured)

40
45
50
53
60
61
61
56
64
86
98
84
78
75
68
57
56
62
65
63
62
58
56
53

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
98
98
100
100
24
30
40
45
40
44
49
43
29
13

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
67
87
100
100
100
100
100
38
35
40
2
1
1
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
4
3
6
4
2
1
7
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
2
41
95
90
92
95
95
95
66
42
45
57
53
46
40
21
12
11
8
11
10

Precipitation Amount (mm)

0
0
0
0
0
1.2
0.5
0.5
1
1.8
1.4
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
9
8
7
8
7
10
9
8
8
5
6
13
9
10
8
8
9
9
10
10
10
11
10

Chance of Frost

Temperature (°C)

6
6
6
7
7
7
7
8
8
8
7
7
6
6
6
6
5
5
5
5
4
4
4
4

Feels Like (°C)

2
2
3
3
3
4
3
4
5
5
6
5
-1
1
1
0
1
1
1
1
1
0
0
-0

Dew Point (°C)

5
6
6
6
6
7
7
7
7
7
7
6
4
4
4
3
3
3
3
3
2
2
2
2

Relative Humidity (%)

96
96
96
93
91
96
96
94
96
96
98
93
90
88
86
83
88
86
86
88
86
86
86
85

Pressure (mb)

1003
1003
1004
1004
1004
1004
1003
1002
1001
1000
1000
999
1000
1000
1000
1001
1001
1001
1002
1002
1003
1003
1004
1004

Ozone (du)

327
329
330
332
333
335
341
351
354
354
350
345
341
337
342
354
359
360
363
366
375
384
376
361

Wednesday 14

Waning Crescent 18%

05:02

11:51

05 Bad
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:05, Set: 16:12, Transit: 12:09. Moon - Rise: 05:02, Set: 11:51. Civil Dark: 16:52 - 07:25. Nautical Dark: 17:36 - 06:42. Astro Dark: 18:17 - 06:00

Total Clouds (% Sky Obscured)

48
41
36
29
28
26
22
54
79
89
92
96
100
100
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

48
41
36
29
28
22
20
23
24
28
30
32
34
43
52
61
66
71
76
74
73
72
80
87

Medium Clouds (% Sky Obscured)

0
0
0
0
2
3
3
4
5
9
75
77
73
43
96
100
98
96
94
96
98
100
99
54

High Clouds (% Sky Obscured)

0
0
0
1
1
1
1
26
52
69
79
90
100
100
100
100
97
95
92
95
97
60
43
23

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None

Precipitation Probability (%)

5
6
3
0
0
0
0
0
0
0
0
0
0
0
1
2
1
13
17
11
21
45
63
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0

Wind Speed/Direction (mph)

10
9
9
8
8
8
8
8
7
7
7
7
6
6
7
8
8
10
11
12
12
12
11
10

Chance of Frost

Temperature (°C)

4
3
2
2
2
3
4
5
5
5
5
4
4
3
3
3
3
4
4
4
5
5
4
5

Feels Like (°C)

-1
-1
-2
-2
-1
-1
1
2
1
1
1
0
-1
-2
-3
-2
-2
-2
-2
-3
-2
-3
-1
0

Dew Point (°C)

1
1
1
-0
0
1
2
2
2
2
3
2
2
1
1
1
2
2
2
2
2
2
3
3

Relative Humidity (%)

83
86
88
86
88
85
83
80
80
80
83
86
89
88
88
88
88
88
86
85
83
85
91
91

Pressure (mb)

1005
1006
1006
1007
1008
1008
1009
1009
1009
1008
1008
1008
1008
1008
1007
1007
1007
1006
1005
1004
1004
1003
1002
1001

Ozone (du)

346
334
323
317
318
324
324
330
330
331
335
332
333
337
336
332
333
338
341
351
360
364
366
373

Thursday 15

Waning Crescent 11%

06:11

12:27

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK
13 OK
14 OK
15 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:04, Set: 16:14, Transit: 12:09. Moon - Rise: 06:11, Set: 12:27. Civil Dark: 16:54 - 07:24. Nautical Dark: 17:37 - 06:41. Astro Dark: 18:19 - 06:00

Total Clouds (% Sky Obscured)

98
83
86
58
62
66
80
43
36
29
39
52
70
67
77
87
97
98
99
99
99
100
100
100

Low Clouds (% Sky Obscured)

95
83
79
58
62
62
60
43
36
29
39
51
56
45
43
42
41
39
38
39
40
35
55
76

Medium Clouds (% Sky Obscured)

46
29
15
4
3
36
65
8
2
3
21
40
60
12
20
30
40
46
51
61
71
84
90
95

High Clouds (% Sky Obscured)

0
1
2
3
2
7
9
3
3
4
25
51
70
37
48
60
68
75
83
88
95
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

54
52
48
36
22
8
0
0
0
0
0
0
0
0
0
0
0
0
0
8
10
7
37
48

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
13
12
12
12
12
12
12
10
10
8
6
6
6
6
5
5
4
4
5
5
6
7
7

Chance of Frost

Temperature (°C)

5
5
5
6
5
6
7
7
7
7
7
6
5
4
3
3
3
3
3
3
3
3
3
4

Feels Like (°C)

1
-1
1
1
2
2
2
3
5
4
5
5
3
3
2
2
2
2
2
2
0
0
0
0

Dew Point (°C)

4
4
4
4
2
3
3
4
4
4
4
5
4
3
2
2
2
2
1
2
2
2
3
3

Relative Humidity (%)

93
88
91
88
80
78
79
82
81
79
81
90
91
93
93
94
94
93
91
93
93
93
94
96

Pressure (mb)

1001
1001
1001
1001
1002
1002
1003
1003
1002
1002
1002
1002
1002
1002
1003
1003
1003
1002
1002
1002
1001
1000
999
998

Ozone (du)

378
381
384
384
381
376
374
371
370
370
370
372
370
371
373
375
377
377
378
378
376
374
373
376

Friday 16

Waning Crescent 6%

07:09

13:16

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:03, Set: 16:16, Transit: 12:09. Moon - Rise: 07:09, Set: 13:16. Civil Dark: 16:55 - 07:24. Nautical Dark: 17:39 - 06:40. Astro Dark: 18:20 - 05:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
98
97
96
95
89
80
69
68
65
66
63
66

Low Clouds (% Sky Obscured)

97
98
99
100
100
100
100
100
100
100
99
98
97
91
82
73
67
56
42
43
43
47
49
51

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
97
95
92
70
48
27
18
10
3
12
22
32
43
49

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
82
60
40
35
27
20
14
10
3
7
12
17
14
13

ISS Passover

Visibility (miles)

9
9
8
6
4
6
7
9
8
7
6
7
8
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

55
79
93
95
95
95
95
95
95
95
95
95
95
80
60
21
27
29
29
26
23
18
19
18

Precipitation Amount (mm)

0
0.4
0.6
0.8
0.9
1
1.1
1.1
1
1
0.9
0.8
0.7
0.5
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
10
10
11
8
7
8
7
8
9
5
10
16
13
12
12
10
8
7
6
5
5
4

Chance of Frost

Temperature (°C)

5
5
5
5
6
6
6
6
6
6
6
5
5
4
4
4
4
4
4
3
3
3
3
2

Feels Like (°C)

1
0
3
3
3
3
3
3
3
3
3
2
2
1
1
2
2
2
2
1
1
1
0
0

Dew Point (°C)

4
5
5
5
5
5
5
5
5
6
6
5
4
4
4
4
4
3
3
3
3
2
2
2

Relative Humidity (%)

98
96
98
96
96
94
94
94
94
96
96
96
96
96
94
96
94
94
94
94
96
96
94
94

Pressure (mb)

998
997
996
995
995
994
994
993
993
993
993
993
994
995
996
997
998
999
999
1000
1000
1001
1001
1002

Ozone (du)

380
383
393
402
412
409
407
405
407
409
412
419
426
433
437
440
444
445
446
446
447
447
448
447

Saturday 17

Waning Crescent 2%

07:54

14:21

Sun - Rise: 08:02, Set: 16:17, Transit: 12:10. Moon - Rise: 07:54, Set: 14:21. Civil Dark: 16:57 - 07:23. Nautical Dark: 17:40 - 06:39. Astro Dark: 18:21 - 05:58

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 11/01/26 05:55:48. Forecast: 11/01/26 to 17/01/26. Timezone: UTC+0.00